Study sites. Surveyed sectors on north and north-eastern Brazilian coast: 1 Marajó Bay 2 Eastern Pará state and 3 Maranhão and Piauí coastlines encompass part of Parnaíba Delta. Black dots representing stranding locations. Physeter macrocephalus (Pma), Balaenoptera brydei (Bbr), Balaenoptera physalus (Bph), Megaptera novaeangliae (Mno), Steno bredanensis (Sbr), Balaenoptera borealis (Bbo), Tursiops truncatus (Ttr), Globicephala macrorhynchus (Gma), Pseudorca crassidens (Pcr), Sotalia guianensis (Sgu), Peponocephala electra (Pel), Stenella attenuata (Sat), Lagenodelphis hosei (Lho), Delphinus sp. (Dsp) and Grampus griseus (Ggr).

 
 
  Part of: Costa AF, Siciliano S, Emin-Lima R, Martins BML, Sousa MEM, Giarrizzo T, Silva Júnior JS (2017) Stranding survey as a framework to investigate rare cetacean records of the north and north-eastern Brazilian coasts. ZooKeys 688: 111-134. https://doi.org/10.3897/zookeys.688.12636